<?php
namespace Common\Model;
use Think\Model\ViewModel;
class DeliveryViewModel extends ViewModel{
   public $viewFields = array(
     'Delivery'=>array(),
     'Tracking'=>array('_on'=>'Delivery.dv_tk_id=Tracking.tk_company'),
	 'Orders'=>array('_on'=>'Delivery.dv_oid=Orders.order_id')
   );
}
?>